65725963 has 2 divisors, whose sum is σ = 65725964. Its totient is φ = 65725962.

The previous prime is 65725943. The next prime is 65725969. The reversal of 65725963 is 36952756.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65725963 is a prime.

It is not a weakly prime, because it can be changed into another prime (65725969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32862981 + 32862982.

It is an arithmetic number, because the mean of its divisors is an integer number (32862982).

Almost surely, 2^65725963 is an apocalyptic number.

65725963 is a deficient number, since it is larger than the sum of its proper divisors (1).

65725963 is an equidigital number, since it uses as much as digits as its factorization.

65725963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 65725963 is about 8107.1550497076. The cubic root of 65725963 is about 403.5639083376.

The spelling of 65725963 in words is "sixty-five million, seven hundred twenty-five thousand, nine hundred sixty-three".